Which of the following is not true with respect to WAAS?

A)
Provides WADGPS corrections
B)
Provide GPS ranging function
C)
Uses ground integrity broadcast
D)
Provide precision approaches for Category III C

Correct Answer :   Provide precision approaches for Category III C


Explanation : WAAS addresses the limitations by providing Wide area differential GPS error correction, a ground integrity broadcast, and a GPS ranging function from three or four geostationary satellites providing additional availability.